Yamaha 5490 Owner's Manual - Page 75

INTRODUCTION PREPARATION BASIC OPERAIONT TROUBLESHOOTING Refer to the chart below when this unit does not function properly. If the problem you are experiencing is not listed below or if the instruction below does not help, set this unit in the standby mode, disconnect the power cord, and contact the nearest authorized YAMAHA dealer or service center. I General Problem Cause Remedy Refer to page This unit fails to turn on when STANDBY/ ON (or SYSTEM POWER) is pressed, or enters in the standby mode soon after the power has been turned on. The power cord is not connected or the plug is not completely inserted. The IMPEDANCE SELECTOR switch on the rear panel is not fully set to the left or right position. The protection circuitry has been activated. Firmly connect the power cord. Set the switch fully to the left or right position when this unit is in the standby mode. Make sure all speaker wire connections on this unit and on all speakers are secure and that the wire for each connection does not touch anything other than its respective connection. 19 19 12, 13 On-screen display The setting for the on-screen display is Select the full display or short display mode. 21 does not appear. set to "DISPLAY OFF". The BLUE BACK setting under "9 Set BLUE BACK to AUTO to always show the 62 DISPLAY SET" on the SET MENU is OSD. set to OFF, and no video signal is input to this unit. No sound and/or no picture. Incorrect input or output cable connections. Connect the cables properly. If the problem persists, the cables may be defective. 11 - 17 An appropriate input source has not been Select an appropriate input source with INPUT l / 25 selected. h or 6CH INPUT (or the input selector buttons). The speaker connections are not secure. Secure the connections. 12, 13 The main speakers to be used have not Select the main speakers with SPEAKERS A and/or 25 been selected properly. B. The volume is turned down. Turn up the volume. 26 The sound is muted. Press MUTE or any operation buttons of this unit to 26 cancel a mute and adjust the volume. Digital signals other than PCM audio, Play a source whose signals this unit can reproduce. - Dolby Digital or DTS signal which this unit cannot reproduce are being input to this unit by playing a CD-ROM, etc. The picture does not appear. The output and input for the picture are connected to different types of video jacks. Make connections using the same type of jack (between composites, S-VIDEOs, or components) for both the input and output. 14, 15 The sound suddenly The protection circuit has been activated Check the IMPEDANCE SELECTOR switch is set 13 goes off. because of a short circuit, etc. to the appropriate position and then turn this unit back on. Check the speaker wires are not touching each other and then turn this unit back on. 12, 13 The sleep timer has functioned. Turn on the power, and play the source again. 64 The sound is muted. Press MUTE or any operation buttons of this unit to 26 cancel a mute and adjust the volume. ADVANCED OPERATION ADDITIONAL INFORMATION APPENDIX English 71